What plant hardiness zone is Port Leyden

Port Leyden is located at Lewis County, New York (NY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Port Leyden is 4b by the USDA scale.

Coldest zone's winter temperature is −25 … -20 °F.

Plants of 4b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4b USDA.

Port Leyden, New York @ wikipedia.